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Question
Write true (T) or false (F):
(a) Epithelial tissue is protective tissue in animal body.
(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.
(c) Epithelial cells have a lot of intercellular spaces.
(d) Epithelial layer is permeable layer.
(e) Epithelial layer does not allow regulation of materials between body and external environment.
(a) Epithelial tissue is protective tissue in animal body.
(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.
(c) Epithelial cells have a lot of intercellular spaces.
(d) Epithelial layer is permeable layer.
(e) Epithelial layer does not allow regulation of materials between body and external environment.
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Solution
(a) Epithelial tissue is protective tissue in animal body- True.
Epithelial tissue is protective tissue in an animal’s body. The epidermis is the outermost layer of the body which is epithelial tissue. It protects the body from microbes and other foreign antigens.
(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue- True
The lining of blood vessels, lung alveoli, and kidney tubules are all made up of epithelial tissue. The simple squamous epithelium lines the blood vessel and alveoli whereas renal tubules are lined by the cuboidal epithelial tissue.
(c) Epithelial cells have a lot of intercellular spaces- False
Epithelial cells do not have intercellular spaces. Epithelial tissues are tightly-packed.
(d) Epithelial layer is permeable layer- True.
The epithelial layer is a permeable layer. It allows the selective transfer of gases, fluid, and materials. For example, the alveoli of the lungs allow the gaseous exchange.
(e) Epithelial layer does not allow regulation of materials between body and external environment- False
The epithelial layer allows the regulation of materials between the body and external environment. The lining of the alveoli allows the exchange of gases between the body and the environment.
Epithelial tissue is protective tissue in an animal’s body. The epidermis is the outermost layer of the body which is epithelial tissue. It protects the body from microbes and other foreign antigens.
(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue- True
The lining of blood vessels, lung alveoli, and kidney tubules are all made up of epithelial tissue. The simple squamous epithelium lines the blood vessel and alveoli whereas renal tubules are lined by the cuboidal epithelial tissue.
(c) Epithelial cells have a lot of intercellular spaces- False
Epithelial cells do not have intercellular spaces. Epithelial tissues are tightly-packed.
(d) Epithelial layer is permeable layer- True.
The epithelial layer is a permeable layer. It allows the selective transfer of gases, fluid, and materials. For example, the alveoli of the lungs allow the gaseous exchange.
(e) Epithelial layer does not allow regulation of materials between body and external environment- False
The epithelial layer allows the regulation of materials between the body and external environment. The lining of the alveoli allows the exchange of gases between the body and the environment.
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